31102130030 has 8 divisors (see below), whose sum is σ = 55983834072. Its totient is φ = 12440852008.

The previous prime is 31102129997. The next prime is 31102130077. The reversal of 31102130030 is 3003120113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31102129987 and 31102130014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555106492 + ... + 1555106511.

It is an arithmetic number, because the mean of its divisors is an integer number (6997979259).

Almost surely, 2^31102130030 is an apocalyptic number.

31102130030 is a deficient number, since it is larger than the sum of its proper divisors (24881704042).

31102130030 is a wasteful number, since it uses less digits than its factorization.

31102130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110213010.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31102130030 its reverse (3003120113), we get a palindrome (34105250143).

The spelling of 31102130030 in words is "thirty-one billion, one hundred two million, one hundred thirty thousand, thirty".